ryan will tell the truth. >> romney's former debate coach gave his opinion on how the next debate will go. >> i am sure that vice president biden got a phone call from the who is and said look, we didn't go after governor romney as much and so you have got to turn up the heat. >> i think both men will be very prepared. >> biden says he's ready. >> all debates are tough. but i'm looking forward to it. i really am. >> foreign and domestic policy issues will be in play thursday night. it's the only vice-presidential debate before the november 6 election. i'm christina mugler reporting. >> this thursday's vice-presidential debate may actually end up being the most watched v.p. showdown to date. >> that's due in large part to presidential debate that still has many people talking and we're joined by political deputy white house edward isaac dovar. thank you for being with us. how damaging was president obama's performance during the debate on wednesday is this >> a lot of people have been very concerned about it on the democratic side. and very excited about it on the republican side. becau